Both Ser and Estar mean to be, but they are used at different times.

Ser Estar
soy somos estoy estamos
eres sois estas estais
es son esta estan

*the bottom four conjugations of estar have accents on the a*


Ser is used for the following:
Origin (where you're from)
Traits and characteristics (what you're like physcially or personality)
Jobs
Time
Date

Estar is used for the following:
Location
Emotion
Temporary conditions

Assignments:
Pg. 254 Ex. 6 and 7
Pg. 255 Para y piensa